Home / 224,074.18-309,222.41-122,099.66

Finding the Fourth Proportional to 224,074.18, 309,222.41 and 122,099.66

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Solution

The fourth proportional to 224,074.18, 309,222.41 and 122,099.66 is: 168,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,074.18 : 309,222.41 = 122,099.66 : x
  2. Step 2: Convert to fraction form
    224,074.18/309,222.41 = 122,099.66/x
  3. Step 3: Cross multiply
    224,074.18x = 309,222.41 × 122,099.66
  4. Step 4: Simplify right side
    224,074.18x = 37,755,948,968.77
  5. Step 5: Solve for x
    x = 37,755,948,968.77/224,074.18
  6. Step 6: Final answer
    x = 168,497.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.